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2024 ARDMS SPI PRACTICE TEST A EXAM WITH CORRECT ANSWERS
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2024 ARDMS SPI PRACTICE TEST A EXAM WITH CORRECT ANSWERS
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2024 ARDMS SPI PRACTICE TEST AEXAM WITH CORRECT ANSWERS
Which parameter is most likely to affect spatial resolution?A.dynamic range
B.beam width
C.system sensitivity
D.depth of visualization - CORRECT-ANSWERSD.depth of visualization
When using a 5MHZ transducer, in which tissue is the ultrasound wavelength
shortest?
A.fat
B.blood
C.bone
D.muscle - CORRECT-ANSWERSA.fat
What is dynamic aperture?
A.aperture that varies with transmit frequency
B.aperture that decreases as a function of time
C.aperture that increases with increasing focal length
D.aperture that changes as a function of frame rate - CORRECT-
ANSWERSC.aperture that increases with increasing focal length
What is the advantage of using pulsed-wave doppler versus continuous-wave
doppler?
A.allows measurement of higher velocities
B.increases range ambiguity
C.reduces the potential for aliasing
D.provides depth specificity - CORRECT-ANSWERSD.provides depth
specificity
What affects the beam width in the near field?
A.Pulse repetition frequency
B.Pulse duration
C.Frame rate
D.Transducer aperture - CORRECT-ANSWERSD.Transducer aperture
What is the doppler shift frequency?
A. recieved ultrasound frequency multiplied by the transmitted ultrasound
frequency
, B.difference between the transmitted ultrasound frequency and the received
ultrasound frequency
C.sum of the transmitted and received ultrasound frequencies
D.ratio of the transmitted ultrasound frequency to the received ultrasound
frequency - CORRECT-ANSWERSB.difference between the transmitted
ultrasound frequency and the received ultrasound frequency
Which parameter is target group C evaluating based on the image?
A.dead zone
B.dynamic range
C.axial resolution
D.Horizontal distance accuracy - CORRECT-ANSWERSD.Horizontal distance
accuracy
An increase in which parameter will improve the accuracy of velocity
measurements with autocorrelation?
A.color field of view
B.packet size
C.wall filtering
D.transmitted frequency - CORRECT-ANSWERSB.packet size
Which artifact is indicated by the arrows in this image?
A.shadow produced by the diaphragm
B.acoustic enhancement
C.comet tail
D.mirror image - CORRECT-ANSWERSC.comet tail
Which control improves the effects of attenuation?
A.dynamic range
B.pulse inversion
C.multiple focal zones
D.time gain compensation - CORRECT-ANSWERSD.time gain compensation
What term describes blood flow changes in response to respiration?
A.phasic
B.parabolic
C.spontaneous
D.pulsatile - CORRECT-ANSWERSA.phasic
What is the potential effect of increasing the pulse repetition
frequency(PRF)?
A.Depth ambiguity
B.Decreased frame rate
C.Poor spatial resolution
D.Decreased penetration - CORRECT-ANSWERSD.Decreased penetration
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